package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {

    /**
     * 根据分类名称查询品牌列表
     * @param categoryName
     * @return
     */
    @Select("SELECT NAME,image FROM tb_brand WHERE id IN(SELECT brand_id FROM " +
            "tb_category_brand WHERE category_id IN( " +
            "SELECT id FROM tb_category WHERE NAME=#{categoryName}))ORDER BY seq")
    public List<Map> findBrandListByCategoryName(@Param("categoryName") String categoryName);
}
